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      <a id="gogobel"></a>
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        <h2>
          <span class="refentrytitle">gogobel</span>
        </h2>
        <p>gogobel — 
      Audio output is a tone related to the striking of a cow bell or similar.
          </p>
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      <div class="refsect1">
        <a id="idp113153280"></a>
        <h2>Description</h2>
        <p>
      Audio output is a tone related to the striking of a cow bell or similar. The method is a physical model developed from Perry Cook, but re-coded for Csound.
    </p>
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      <div class="refsect1">
        <a id="idp113154800"></a>
        <h2>Syntax</h2>
        <pre class="synopsis">ares <span class="command"><strong>gogobel</strong></span> kamp, kfreq, ihrd, ipos, imp, kvibf, kvamp, ivfn</pre>
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      <div class="refsect1">
        <a id="idp113156976"></a>
        <h2>Initialization</h2>
        <p>
      <span class="emphasis"><em>ihrd</em></span> -- the hardness of the stick used in the strike. A range of 0 to 1 is used. 0.5 is a suitable value.
    </p>
        <p>
      <span class="emphasis"><em>ipos</em></span> -- where the block is hit, in the range 0 to 1.
    </p>
        <p>
      <span class="emphasis"><em>imp</em></span> -- a table of the strike impulses. The file <a class="ulink" href="examples/marmstk1.wav" target="_top"><em class="citetitle">marmstk1.wav</em></a> is a suitable function from measurements and can be loaded with a <a class="link" href="GEN01.html" title="GEN01"><em class="citetitle">GEN01</em></a> table. It is also available at <a class="ulink" href="ftp://ftp.cs.bath.ac.uk/pub/dream/documentation/sounds/modelling/" target="_top"><em class="citetitle">ftp://ftp.cs.bath.ac.uk/pub/dream/documentation/sounds/modelling/</em></a>.
    </p>
        <p>
      <span class="emphasis"><em>ivfn</em></span> -- shape of vibrato, usually a sine table, created by a function.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp113164432"></a>
        <h2>Performance</h2>
        <p>
      A note is played on a cowbell-like instrument, with the arguments as below.
    </p>
        <p>
      <span class="emphasis"><em>kamp</em></span> -- Amplitude of note.
    </p>
        <p>
      <span class="emphasis"><em>kfreq</em></span> -- Frequency of note played.
    </p>
        <p>
      <span class="emphasis"><em>kvibf</em></span> -- frequency of vibrato in Hertz. Suggested range is 0 to 12
    </p>
        <p>
      <span class="emphasis"><em>kvamp</em></span> -- amplitude of the vibrato
    </p>
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      <div class="refsect1">
        <a id="idp113169504"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the gogobel opcode. It uses the file <a class="ulink" href="examples/gogobel.csd" target="_top"><em class="citetitle">gogobel.csd</em></a>, and <a class="ulink" href="examples/marmstk1.wav" target="_top"><em class="citetitle">marmstk1.wav</em></a>,

      </p>
        <div class="example">
          <a id="idp113172208"></a>
          <p class="title">
            <strong>Example 355. Example of the gogobel opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac     <span class="comment">;;;realtime audio out</span>
<span class="comment">;-iadc    ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o gogobel.wav -W ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
<span class="ohdr">0dbfs</span>  <span class="op">=</span> 1

<span class="oblock">instr</span> 1

   kfreq <span class="op">=</span> 200
   ihrd <span class="op">=</span> 0.5
   ipos <span class="op">=</span> p4
   kvibf <span class="op">=</span> 6.0
   kvamp <span class="op">=</span> 0.3

asig <span class="opc">gogobel</span> .9, kfreq, ihrd, ipos, 1, 6.0, 0.3, 2
     <span class="opc">outs</span> asig, asig
<span class="oblock">endin</span>
<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>
<span class="comment">;audio file</span>
<span class="stamnt">f</span> 1 0 256 1 "marmstk1.wav" 0 0 0
<span class="comment">;sine wave for the vibrato</span>
<span class="stamnt">f</span> 2 0 128 10 1

<span class="stamnt">i</span> 1 0.5 0.5 0.01
<span class="stamnt">i</span> 1 + 0.5 0.561
<span class="stamnt">i</span> 1 + 0.5 0.9
<span class="stamnt">e</span>
<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
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        <p><br class="example-break" />
    </p>
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      <div class="refsect1">
        <a id="idp113176464"></a>
        <h2>Credits</h2>
        <p>
      </p>
        <table border="0" summary="Simple list" class="simplelist">
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            <td>Author: John ffitch (after Perry Cook)</td>
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            <td>University of Bath, Codemist Ltd.</td>
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            <td>Bath, UK</td>
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        <p>
    </p>
        <p>New in Csound version 3.47</p>
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